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Weld County

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Tracked elements of biodiversity include animals, plants, and natural communities that are uncommon either globally or within the state of Colorado. The list below includes all wetland and riparian dependent elements found within the county and the count of known occurrences.

  • Birds

State Scientific NameState Common NameGRankSRankCount
Haliaeetus leucocephalusBald EagleG5S1B,S3N4
Himantopus mexicanusBlack-necked StiltG5S3B3
Melanerpes lewisLewis's WoodpeckerG4S41
Numenius americanusLong-billed CurlewG5S2B6
Pelecanus erythrorhynchosAmerican White PelicanG4S1B2
Plegadis chihiWhite-faced IbisG5S2B1
  • Fish

State Scientific NameState Common NameGRankSRankCount
Nocomis biguttatusHornyhead ChubG5SX1
Phoxinus eosNorthern Redbelly DaceG5S11
  • Insects

State Scientific NameState Common NameGRankSRankCount
Mesocapnia frisoniA StoneflyG5S11
  • Mammals

State Scientific NameState Common NameGRankSRankCount
Zapus hudsonius prebleiMeadow Jumping Mouse SubspG5T2S15
  • Mollusks

State Scientific NameState Common NameGRankSRankCount
Anodontoides ferussacianusCylindrical PapershellG5S27
  • Natural Communities

State Scientific NameState Common NameGRankSRankCount
Carex praegracilis Herbaceous VegetationClustered Sedge WetlandG3G4S22
Pascopyrum smithii - Eleocharis spp. Herbaceous VegetationPlaya GrasslandG1S11
Populus deltoides - (Salix amygdaloides) / Salix (exigua, interior) WoodlandPlains Cottonwood Riparian WoodlandG3G4S31
Populus deltoides / Carex pellita WoodlandPlains Cottonwood Riparian WoodlandG2S22
Prunus virginiana - (Prunus americana) ShrublandFoothills Riparian ShrublandG4QS14
Schoenoplectus pungens Herbaceous VegetationBulrushG3G4S31
  • Vascular Plants

State Scientific NameState Common NameGRankSRankCount
Liatris ligulistylisgay-featherG5?S22
Oenothera coloradensis ssp. coloradensisColorado butterfly plantG3T2S16
Rorippa coloradensisColorado watercressGHSH1
Spiranthes diluvialisUte ladies' tressesG2G3S21